As the demand for sustainable energy solutions continues to rise, solar water heaters have become a popular choice for eco-conscious homeowners and businesses alike. Many brands have emerged in the market, each offering unique features and varying efficiencies to cater to different needs and preferences. When selecting the best solar water heater, factors such as durability, energy efficiency, cost, and customer support play a crucial role in making an informed decision. Curious to discover which brands stand out in these aspects? Check out our comprehensive list of the best brands for solar water heaters below.
Illustration of solar water heater
Best brands of solar water heater in 2025
Rheem
Rheem Manufacturing Company, a leading producer of high-quality solar water heaters, is known for their innovative and sustainable solutions. Rheem's solar water heaters can reduce household hot water energy use by up to 73%, and in tropical regions, the savings can be as high as 85%. Their systems include both active (pumped) and passive (thermosiphon) designs, catering to various residential and commercial needs. Rheem's products are designed to be environmentally friendly, reliable, and cost-effective, aligning with the growing demand for sustainable water heating solutions. The company's solar water heaters are also supported by government incentives, making them a financially viable option for many consumers.
SunMaxx
SunMaxx is a leading producer of solar water heaters, known for its high-performance ThermoPower(tm) evacuated tube solar collectors, which are SRCC OG-100 certified to ensure maximum efficiency and value. These collectors are designed to function optimally in all seasons, including winter, with a vacuum-insulated double-layered glass tube that reduces heat loss to nearly zero. SunMaxx has trained and certified over 3,000 independent solar hot water installers worldwide, ensuring professional support for their systems. Their products are ideal for residential, commercial, and industrial applications, offering solutions like domestic hot water, radiant heating, and pool heating. With a focus on design and functionality, SunMaxx's collectors are certified for federal solar tax credits, making them a cost-effective and environmentally friendly choice.
V-Guard
V-Guard is a prominent player in the solar water heater market, known for its high-quality and energy-efficient products. The company holds a significant market share of 14-16% in the solar water heater segment and is recognized for its innovative and durable solutions. V-Guard's solar water heaters are part of a broad product portfolio that includes electricals and consumer durables, with the company enjoying a strong presence in the Indian market. Their products are designed to meet various consumer needs, offering features such as long-lasting materials and efficient energy consumption. For instance, V-Guard's solar water heaters are particularly popular due to their cost-effectiveness and environmental friendliness.
Racold
Racold, a prominent brand under the Ariston Thermo Group, is a leading producer of solar water heaters, known for its high-quality and efficient products. The company aims to derive at least 10% of its global revenues from the Indian market over the next four to five years, highlighting its strategic focus on this region. Racold's solar water heaters can save users up to 80% on monthly electricity bills, with a payback period of 2 to 4 years. The brand has a significant market share, with over one-third of the overall water heater market, and plans to expand its retail presence to 14,000-15,000 stores by enhancing both online and offline channels.
Havells
Havells India is a leading producer of solar water heaters, known for its robust market presence and innovative products. The company has a significant market share in the water heater segment, with a growth rate of 10% YoY in FY18, outpacing the industry decline. Havells offers a wide range of water heaters, including storage, instant, and solar models, utilizing advanced technologies like Feroglas and Incoloy glass-coated heating elements for superior performance and durability. The acquisition of Lloyd Electric's consumer durable business has further strengthened Havells' position in the market. With a strong focus on energy efficiency and customer satisfaction, Havells continues to expand its product portfolio and distribution network.
Himin
Himin Solar Energy Group is a leading producer of solar water heaters, renowned for its high-quality products and innovative technologies. With over 15 years of experience, Himin has established itself as a global leader, producing 3 million water heaters, 20 million evacuated tubes, and 50MW of photovoltaic products annually. Their products, including solar collectors, solar panels, and split solar water heating systems, are certified with ISO9000, CE, TUV, and SOLAR KEYMARK, ensuring durability and efficiency. Himin's solar heating systems are designed for various applications, including domestic, commercial, and industrial use, and have been adopted in numerous countries such as Germany, America, Canada, and Brazil. The company's focus on using superior raw materials and conducting thorough quality control has made their solar heating systems highly reliable and efficient. For more information, visit Himin Solar Energy Group's product page.
Apricus
Apricus is a leading brand in the solar water heater market, renowned for its high-quality and efficient solar thermal collectors. With over 18 years of experience in designing and manufacturing solar thermal collectors, Apricus has successfully supplied hot water to various institutions, including UCLA dormitories since 2013. Their evacuated tube solar collectors, such as the ETC-30, have demonstrated reliability and efficiency, with a customer in Canada reporting satisfactory performance over 10 years. Apricus also emphasizes sustainability, being a member of the U.S. Green Building Council (USGBC), and has expanded its operations to a larger facility in Ontario, California. The company's products are internationally certified and known for their maintenance-free and corrosion-resistant design. You can learn more about their solar thermal solutions on their official website.
FPC Evacuated Tube
Evacuated Tube Collectors (ETC) from brands like Fenice Energy are highly regarded for their exceptional efficiency, with ETCs being up to 163% more efficient in heat transfer compared to Flat Plate Collectors (FPC). These systems excel in extreme weather conditions, maintaining their performance even in cold or cloudy environments. The vacuum insulation in ETCs minimizes heat loss, making them ideal for year-round hot water supply. Despite being 20-40% more expensive than FPCs, ETCs offer significant long-term energy savings and are practically maintenance-free. Their ability to function in various climates and reduce heat loss makes them a preferred choice for both residential and commercial applications. For more insights on choosing between different solar water heaters, visit the Fenice Energy blog.
Solahart
Solahart is a leading brand in the solar water heater market, having pioneered solar water heating in Australia over 60 years ago and serving over one million households globally. Their solar water heaters, such as the L Series, can cut water heating energy use by up to 60% and are known for their reliable, low-maintenance operation. Solahart's systems are eligible for government rebates and incentives, making them a cost-effective and sustainable choice. The brand's commitment to innovation and quality has established it as a trusted name in the industry. With a focus on economical and efficient service, Solahart continues to be a top choice for residential, commercial, and industrial applications.
A. O. Smith
A. O. Smith is a leading manufacturer in the solar water heater market, known for its efficient and reliable products. The company's residential solar water heaters, such as the ProLine® series, reduce utility costs and maintain a steady hot water supply, even with a supplementary electric heating element when solar energy is not available. A. O. Smith's products are part of a market that is expected to grow significantly, with the global solar water heaters market projected to reach USD 6.19 billion by 2030, growing at a CAGR of 8.3% from 2024 to 2030. The residential segment, where A. O. Smith is prominent, led the market with a 39.54% revenue share in 2023. A. O. Smith's solar water heaters are widely used due to their simplicity, reliability, and lower operational costs. For more detailed information, visit their official website.
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